Ari-Matti Leppanen wrote:

>
> I use lights like:
> 
> #declare Pos = <10, 10, -10>
> #declare Amplitude = 15;
> #declare Size1 = 2;
> #declare Size2 = 3;
> 
> light_source { Pos
>   <1,1,1> * Amplitude
>   area_light Size1 Size2, 4, 4
am i right if this would mean:
area_light <2,2,2>, <3,3,3>, 4, 4 ?
>   fade_power 2
>   fade_distance sqrt(Size1*Size2)
> }
> 
> and control the brightness with the Amplitude. This seems to be a common
> way to do it.
it is a really common way.

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